package org.example.lotterysystem.dao.mapper;

import org.apache.ibatis.annotations.*;
import org.example.lotterysystem.dao.dataobject.Encrypt;
import org.example.lotterysystem.dao.dataobject.UserDO;

import java.util.List;

@Mapper
public interface UserMapper {

    //查询邮箱绑定的人数
    @Select("select count(*) from user where email = #{email}")
    int countByMail(@Param("email") String email);


    @Select("select count(*) from user where phone_number = #{phoneNumber}")
    int countByPhone(@Param("phoneNumber") Encrypt phoneNumber);

    @Insert("insert into user (user_name, email, phone_number, password, identity)" +
            " values (#{userName}, #{email}, #{phoneNumber}, #{password}, #{identity})")
    @Options(useGeneratedKeys = true, keyProperty = "id", keyColumn = "id")
    void insert(UserDO userDO);

    @Select("select * from user where email = #{email}")
    UserDO selectByMail(@Param("email") String email);

    @Select("select * from user where phone_number = #{phoneNumber}")
    UserDO selectByPhoneNumber(@Param("phoneNumber") Encrypt phoneNumber);

    //降序是为了后加的在前面
    @Select("<script> select * from user <if test=\"identity!=null\"> " +
            "where identity = #{identity} </if> order by id desc </script>")
    List<UserDO> selectUserListByIdentity(@Param("identity") String identity);

    @Select("<script> select id from user where id in " +
            "<foreach item='item' collection='items' open='(' separator=',' close=')'> " +
            "#{item} </foreach></script>")
    List<Long> selectExistByIds(@Param("items") List<Long> ids);

    @Select("<script> select * from user where id in " +
            "<foreach item='item' collection='items' open='(' separator=',' close=')'> " +
            "#{item} </foreach></script>")
    List<UserDO> batchSelectByIds(@Param("items") List<Long> ids);
}
